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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 461 · 40 questions
TalentJR

Remember (One path for all): One path: if any bulb is removed or broken, no bulb glows. Identical bulbs share the voltage: each gets battery volts ÷ number of bulbs. More bulbs in series → each gets less → all glow dimmer.

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  1. 1.💡 3 identical bulbs are joined in series with a battery and a closed switch on the main wire. All the bulbs are in place. How many bulbs glow?
  2. 2.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  3. 3.💡 In a series circuit, how many paths does the current have? (a) one (b) two (c) none (d) one for each bulb
  4. 4.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  5. 5.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  6. 6.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  7. 7.💡 A battery lights 2 identical bulbs joined in series. One more identical bulb is added in series. How do the bulbs glow now? (a) the same (b) dimmer (c) brighter
  8. 8.💡 6 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 4 is taken out of its holder. How many bulbs glow?
  9. 9.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  10. 10.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  11. 11.💡 5 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 5 is taken out of its holder. How many bulbs glow?
  12. 12.💡 5 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 1 is taken out of its holder. Does bulb 2 glow? (a) Yes (b) No
  13. 13.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  14. 14.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  15. 15.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  16. 16.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) by Wi-Fi (b) in series (c) not joined (d) in parallel
  17. 17.💡 A battery lights 4 identical bulbs joined in series. One more identical bulb is added in series. How do the bulbs glow now? (a) dimmer (b) brighter (c) the same
  18. 18.💡 3 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  19. 19.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  20. 20.💡 2 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 1 is taken out of its holder. How many bulbs glow?
  21. 21.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  22. 22.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  23. 23.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  24. 24.💡 3 identical bulbs are joined in series with a battery and a closed switch on the main wire. All the bulbs are in place. Does bulb 2 glow? (a) No (b) Yes
  25. 25.True or false: “one bulb out, all go out” is true of a series circuit. (a) True (b) False
  26. 26.💡 A battery lights 5 identical bulbs joined in series. One more identical bulb is added in series. How do the bulbs glow now? (a) the same (b) dimmer (c) brighter
  27. 27.💡 5 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 3 is taken out of its holder. How many bulbs glow?
  28. 28.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  29. 29.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  30. 30.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  31. 31.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  32. 32.True or false: “used in house wiring” is true of a parallel circuit. (a) True (b) False
  33. 33.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  34. 34.💡 2 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 2 is taken out of its holder. Does bulb 1 glow? (a) Yes (b) No
  35. 35.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False
  36. 36.💡 4 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  37. 37.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  39. 39.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
  40. 40.💡 A battery lights 3 identical bulbs joined in series. One more identical bulb is added in series. How do the bulbs glow now? (a) dimmer (b) brighter (c) the same

Answer key

  1. 3
  2. parallel
  3. one
  4. 4
  5. series
  6. False
  7. dimmer
  8. 0
  9. 1.5
  10. True
  11. 0
  12. No
  13. True
  14. parallel
  15. 1
  16. in series
  17. dimmer
  18. 2
  19. 2.5
  20. 0
  21. parallel
  22. series
  23. series
  24. Yes
  25. True
  26. dimmer
  27. 0
  28. 1
  29. series
  30. True
  31. False
  32. True
  33. 1.5
  34. No
  35. False
  36. 3
  37. 1
  38. False
  39. False
  40. dimmer

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